Professor Dr. Tan Kay Sin is a distinguished neurologist and academic, dual-certified in Internal Medicine and Neurology, with a subspecialty focus on stroke and neurosonology. He pioneered neurosonology and acute stroke services at the University of Malaya, earning international recognition as a Fulbright Scholar and Visiting Fellow. A prolific researcher with over 120 publications, his work on Nipah encephalitis garnered national awards. He has secured significant research funding for stroke research and holds esteemed leadership positions, including Past President of the Malaysian Society of Neurosciences.